Spring Framework Master Class - Java Spring the Modern Way - Step 2-First JUnit Project and Green Bar

The video tutorial guides viewers through creating a new Java project and class, implementing a simple sum method, and setting up unit tests using JUnit. It emphasizes the importance of separating source code from test code and explains the use of JUnit annotations. The tutorial concludes by demonstrating how to run tests and interpret results, highlighting that the absence of failure indicates success.

What is the expected behavior of a test in JUnit if there are no failures?

Describe the significance of the 'green bar' in JUnit testing.